<template>
  <el-upload
    class="avatar-uploader"
    :action="uploadUrl"
    :show-file-list="false"
    :headers="myHeaders"
    :on-success="handleAvatarSuccess"
    :before-upload="beforeAvatarUpload">
    <img v-if="fileCode" :src="baseUrl+fileCode" class="avatar">
    <i v-else class="el-icon-plus avatar-uploader-icon"></i>
  </el-upload>
</template>

<style>
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
</style>

<script>
  export default {
    name: "BaseInfo",
    model: {
      prop: 'fileCode',
      event: 'cc'
    },
    props:["fileCode"],
    data() {
      return {
        myHeaders: {
          token: sessionStorage.getItem('token')
        },
        uploadUrl: "/fileServer/file/upload",
        baseUrl: "http://localhost:8080/file/download?fileCode="
      };
    },
    methods: {
      handleAvatarSuccess(res, file) {
        // this.imageUrl = URL.createObjectURL(file.raw);
        if (res.code == 200) {
          this.updateParentVal(res.data);
        }else {
          this.$message.error(res.message)
        }
      },
      beforeAvatarUpload(file) {
        const isJPG = file.type === 'image/jpeg';
        const isLt2M = file.size / 1024 / 1024 < 2;

        if (!isJPG) {
          this.$message.error('上传头像图片只能是 JPG 格式!');
        }
        if (!isLt2M) {
          this.$message.error('上传头像图片大小不能超过 2MB!');
        }
        return isJPG && isLt2M;
      },
      updateParentVal(val){
        this.$emit('cc', val)
      },
    }
  }
</script>
